Building Design Partnership has appointed Tava Walton as a senior planner and Rosie Karim as urban planning assistant.
Trevlyn Tanner Architects has moved to Studio 1, The Old Vicarage, Old Reigate Road, Betchworth, Surrey RH3 7DE tel 01737 844191.
Damond Lock Grabowski Architects has moved to bigger offices at Marshall Mill, Marshall Street, Leeds LS11 9YJ.
Chris Nelstrop has been appointed director of south-east-based architect and surveyors Burke Rickhards. Chris brings 30 years of experience in the development of architectural services.
Plex has opened a new London office at 74 Ledbury Road, London W11 2AH, tel 020 7727 8670.
Jonathan Thacker has joined Jefferson Sheard Architects as its new marketing manager.
3D Architects of Milton Keynes has promoted Mark Knight to associate of the practice.
David Tennant has been appointed to the post of group environmental manager by M J Gleeson Group.